2 years ago:
Your squads of plague bearers are too small. You should have at least one maxxed out squad to hide epidemius in. I'm also not sold on HugeAss - the basic Great Unclean One is a good buy for the points. You'll have a hard time making your points back with the special character. You might also consider using some of those points for a second daemon prince (possibly losing the soul grinder in the process) as these are more useful for getting your tally going.

Today:
You don't have any reliable way to get people out of their transports - this list simply will not work against anything resembling competitive play.

If you're just in it for fun, go for it. But I wouldn't bring it to a tournament these days. Also, if you're looking to just play for fun, a plague hulk is better than a soul grinder in an epidemius army, as are blight drones.

"All very successful commanders are prima donnas and must be so treated."

I agree with Redbeard on the Plaguebearer unit sizes, I like running at least 15 with Epidemius hiding in there. 20 is better because you can really string them out for extra enemy annoyance.

I think you should go 2 to 3 bigger Plaguebearer squads and a maxed out unit of Nurglings (coming in the 2nd wave). If your Tally is good by then, the Nurglings can actually tear enemies up, and they move/assault the full 6".

What's BoC on a Nurgle Daemon Prince? Bolt of Change? I'd give him Cloud of Flies, maybe Daemonic Gaze, rarely Breath of Chaos. Ku'Gath's Necrotic Missiles have served me well in the past, and since it's rending that can add to the tally, if you can first get those transports cracked open. Against footslogging Orks or Tyranids this list might actually do okay. Too bad Beasts of Nurgle don't count as Beasts, otherwise I would buy some.

But has there been a GW or INITFAQ ruling that says the Blight Drones and Plaguehulk are in fact followers of Nurgle to count towards Epidemius' tally?
I would certainly count them for it, but in their rules it doesn't specifically mention it.

How do you know that nurglings are daemons of nurgle? How do you know that beasts of nurgle are daemons of nurgle? None of these have a mark, or 'rules' to indicate this, only their names.

Plaguebearers of NurgleBlight Drone of NurglePlague Hulk of Nurgle

I know it seems kind of self explanatory, but, really, if you demand to see a rule that makes a Blight Drone be a follower of Nurgle, you pretty much have to expect to see that same rule for other units, and it's not there. We're expected to figure this out by the name, which is pretty blatant and non-ambiguous.

"All very successful commanders are prima donnas and must be so treated."

Lord Krungharr wrote:Besides being things with the Mark of Nurgle, Daemons of Nurgle also count towards the tally, and anything in the Daemons Codex counts as Daemon.

Right, I agree. But how do you know, other than the name, that any of those other things are daemons of Nurgle. They're in the daemon codex, so they're daemons. There is no rule, or characteristic applied to any of them, however, to let us know that they follow Nurgle. The only reason we know that Plaguebearers are Nurgle Daemons is because of their name. If you take away the name, there's nothing else that indicates which god they belong to.

"All very successful commanders are prima donnas and must be so treated."

BoC = Breath of Chaos which will glance on a 4+ then the assault phase the DP should get troops out of transports. The hard time will be dealing with and vehicle with a high AV for back armor. Ku'gath with the missiles will help and the SG with tongue.

Is there a way to keep the list all Nurgle and still be competitive?

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